Before removing the radiator, it is essential to ensure that the ignition is off, and the key is out of the vehicle, then, you must switch off your car and unscrew the cable of the battery's negative terminal. Lift the front of the vehicle and secure it with jackstands and then remove the under vehicle splash shield. Removing coolants with poor quality is important but saving the coolant if it is good merits consideration as follows; Both the engine cooling fans that have to be removed and, in the case of ATX models, the transaxle fluid cooler lines coming out from the bottom of the radiator. Tomorrow, unscrew the #2 inlet and outlet to the radiator, strip the electrical connector of the #2 ECT sensor. Gently remove the radiator remembering to be careful as not to pour the coolant on the ground or scratch the paint. Check the condition and possible present leaks on the radiator and if necessary have it fixed by a mechanic. Rinse out the radiator using a garden hose nozzle from the back side and do not forget to reinstall it back after cleaning. The radiator mounts should be inspected for signs of wear and tear, and should be replaced if needed. When installing the opposite procedure is followed by guiding the radiator towards the mount and applying pressure unto the mounts to ensure that the hear pins in. Here are the requirements to observe after installation; it must be refilled with the appropriate proportion of anti-freeze and water reconnected to the battery to engage the starter motor, switched on the engine and checked for any leakage. Let the engine warm up for the coolant to expand, this can be known by checking the upper hose coming from the radiator to be hot and then check the coolant level and add more if necessary. Last but not the least, look and ascertain that transaxle fluid is right and replenished should it be necessary.